Preventing immortal time bias in observational studies: a matter of design.

Autor:	Velders BJJ; Department of Cardiothoracic Surgery, Leiden University Medical Center, Albinusdreef 2, Leiden 2333 ZA, The Netherlands.; Department of Clinical Epidemiology, Leiden University Medical Center, Albinusdreef 2, Leiden 2333 ZA, The Netherlands., Vriesendorp MD; Department of Cardiothoracic Surgery, Leiden University Medical Center, Albinusdreef 2, Leiden 2333 ZA, The Netherlands., Groenwold RHH; Department of Clinical Epidemiology, Leiden University Medical Center, Albinusdreef 2, Leiden 2333 ZA, The Netherlands.; Department of Biomedical Data Science, Leiden University Medical Center, Albinusdreef 2, Leiden 2333 ZA, The Netherlands.
Jazyk:	angličtina
Zdroj:	European heart journal open [Eur Heart J Open] 2023 Nov 15; Vol. 3 (6), pp. oead117. Date of Electronic Publication: 2023 Nov 15 (Print Publication: 2023).
DOI:	10.1093/ehjopen/oead117
Abstrakt:	Competing Interests: Conflict of interest: B.J.J. Velders: institutional research grant and speaker fees paid to his department by Medtronic. M.D. Vriesendorp: institutional research grant and reimbursement of travel expenses from Medtronic. R.H.H. Groenwold: None declared.
Databáze:	MEDLINE
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